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Finding the Fourth Proportional to 64,109.22, 88,474.11 and 38,623.61

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Solution

The fourth proportional to 64,109.22, 88,474.11 and 38,623.61 is: 53,302.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,109.22 : 88,474.11 = 38,623.61 : x
  2. Step 2: Convert to fraction form
    64,109.22/88,474.11 = 38,623.61/x
  3. Step 3: Cross multiply
    64,109.22x = 88,474.11 × 38,623.61
  4. Step 4: Simplify right side
    64,109.22x = 3,417,188,884.25
  5. Step 5: Solve for x
    x = 3,417,188,884.25/64,109.22
  6. Step 6: Final answer
    x = 53,302.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.